PY2 compat: open with utf-8 enc, str(os.getcwd)

wetb/fast/fast_io.py

wetb/hawc2/ascii2bin/ascii2bin.py

wetb/hawc2/at_time_file.py

wetb/hawc2/cmp_test_cases.py

wetb/hawc2/htc_file.py

wetb/hawc2/log_file.py

wetb/hawc2/sel_file.py

wetb/hawc2/shear_file.py

wetb/hawc2/simulation.py

wetb/prepost/Simulations.py

wetb/prepost/dlcdefs.py

wetb/utils/cython_compile/cython_compile.py